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DE4101984C2 - Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane - Google Patents

Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane

Info

Publication number
DE4101984C2
DE4101984C2 DE4101984A DE4101984A DE4101984C2 DE 4101984 C2 DE4101984 C2 DE 4101984C2 DE 4101984 A DE4101984 A DE 4101984A DE 4101984 A DE4101984 A DE 4101984A DE 4101984 C2 DE4101984 C2 DE 4101984C2
Authority
DE
Germany
Prior art keywords
wire
pressure roller
gears
gear
carrier film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE4101984A
Other languages
German (de)
Other versions
DE4101984A1 (en
Inventor
Paul Roentgen
Herbert Brammertz
Walter Schwarz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Sekurit Deutschland GmbH and Co KG
Original Assignee
Vegla Vereinigte Glaswerke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE4101984A priority Critical patent/DE4101984C2/en
Application filed by Vegla Vereinigte Glaswerke GmbH filed Critical Vegla Vereinigte Glaswerke GmbH
Priority to EP92400159A priority patent/EP0496669B1/en
Priority to DE69204310T priority patent/DE69204310T2/en
Priority to ES92400159T priority patent/ES2078673T3/en
Priority to AT92400159T priority patent/ATE127310T1/en
Priority to JP00991292A priority patent/JP3300395B2/en
Priority to US07/824,950 priority patent/US5282301A/en
Publication of DE4101984A1 publication Critical patent/DE4101984A1/en
Application granted granted Critical
Publication of DE4101984C2 publication Critical patent/DE4101984C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/82—Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/44—Joining a heated non plastics element to a plastics element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a sinusoidal wave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49083—Heater type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y10T29/5187—Wire working

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

A device for laying and attaching a resistance wire (2) to a thermoplastic support film (1) for the production of a laminated glazing that can be heated electrically. The device includes a support (26, 27) for a wire bobbin (28), a wire guide device and a heated pressure roller (10) embedding resistance wire (2) in the support film. Between support (26, 27) for wire bobbin (28) and heated pressure roller (10), two gears (21, 22) are provided which mutually mesh, grasp wire (2) between them and deform the wire in an undulating manner. At least one of gears (21, 22) is driven by pressure roller (10) rolling over support film (1).

Description

Die Erfindung betrifft eine Vorrichtung zum Ablegen und Fixieren eines Widerstandsdrahtes auf einer thermoplastischen Trägerfolie zur Herstellung einer elektrisch beheizbaren Verbundglasscheibe, mit einer den Widerstandsdraht in die Trägerfolie eindrückenden, auf der Trägerfolie abrollenden beheizten Druckrolle, einer Halterung für eine Drahtvorratsspule und einer Drahtführungseinrichtung.The invention relates to a device for storing and Fixing a resistance wire on one thermoplastic carrier film for the production of a electrically heated laminated glass pane, with a Pushing the resistance wire into the carrier foil, on the Carrier film rolling heated pressure roller, one Bracket for a wire supply spool and one Wire guide device.

Bei einer aus der DE-20 43 706 B2 bekannten Vorrichtung dieser Art, die zum Ablegen von Antennendraht auf der Kunststoff-Zwischenschicht einer Verbundglas- Windschutzscheibe dient, wird der Draht geradlinig auf der Trägerfolie abgelegt. Diese bekannte Vorrichtung ist nicht geeignet, elektrische Widerstandsdrähte in Wellenform auf die Trägerfolie aufzubringen.In a device known from DE-20 43 706 B2 of this type, which is used to deposit antenna wire on the Plastic intermediate layer of a laminated glass Serves windshield, the wire is straight on the Carrier film deposited. This known device is not suitable to use electrical resistance wires in wave form apply the carrier film.

Zum Aufbringen von Widerstandsdraht in Wellenform ist aus der DE-16 79 930 C2 eine Vorrichtung bekannt, bei der der Draht von einem als beheiztem Gleitschuh ausgebildeten Ableger unter periodischer Querbewegung über die Trägerfolie geführt und gleichzeitig in die Folie eingedrückt wird. Die Wellenform des Drahtes wird dabei unmittelbar auf der Folienoberfläche erzeugt, und der Draht muß im Augenblick seiner Ablage ausreichend fixiert werden, weil er sich sonst unter der von dem Ableger an den Wendepunkten der Wellenform ausgeübten Spannung wieder ablöst. Der Verlegegeschwindigkeit des Drahtes sind deshalb enge Grenzen gesetzt.For applying resistance wire in wave form is off DE-16 79 930 C2 discloses a device in which the Wire from a heated slide shoe Offshoot with periodic transverse movement over the Carrier film out and at the same time in the film is pushed in. The waveform of the wire will be there generated directly on the film surface, and the wire must be adequately fixed at the moment it is stored, because otherwise it would be different from that of the branch to the Turn points of the waveform exerted tension again replaces. The laying speed of the wire are therefore set narrow limits.

Zum Verlegen von Widerstandsdraht in Wellenform zur Herstellung elektrisch beheizbarer Verbundglasscheiben sind ferner aus der DE-22 04 939 B2 Vorrichtungen bekannt, bei denen schräg gegeneinander gestellte Zahnkränze auf der Folie abrollen, zwischen deren sich einander nähernden Zähnen der Draht einläuft, und die den Draht unmittelbar vor dem Ablegen auf der Trägerfolie wellenförmig verformen und entweder selbst oder mit Hilfe eines mit Druckfingern zwischen die Zähne greifenden Druckrades in die Trägerfolie eindrücken. Diese Vorrichtungen erlauben zwar eine hohe Verlegegeschwindigkeit, sind jedoch sehr wartungsanfällig, da an den in die Oberfläche der Trägerfolie eindringenden Zähnen und Druckfingern leicht Partikel der thermoplastischen Trägerfolie haften bleiben, die die Funktionsfähigkeit der Vorrichtung beeinträchtigen.For laying resistance wire in wave form Manufacture of electrically heated laminated glass panes also known from DE-22 04 939 B2 devices, at on the Unroll the film between those approaching each other  Teeth the wire runs in, and the the wire immediately deform wavy before laying on the carrier film and either yourself or with the help of one with pressure fingers between the teeth gripping pressure wheel in the carrier film push in. These devices allow a high one Laying speed, but are very maintenance-prone, because of the penetrating into the surface of the carrier film Teeth and pressure fingers easily particles of the thermoplastic carrier film adhere to the Impair the functionality of the device.

Zum Stand der Technik gehört ferner eine aus der DE 24 05 033 A1 bekannte Vorrichtung zum Ablegen eines Heizdrahtes in Zickzack- oder Mäanderform auf einer mit einer Klebeschicht versehenen Trägerfolie aus einem Isolierstoff, bei der zwischen einer auf der Trägerschicht abrollenden Andruckrolle und einer Halterung für die Drahtvorratsspule eine aus zwei miteinander kämmenden und den Draht zwischen sich greifenden Zahnrädern bestehende Biegeeinrichtung angeordnet ist. Die den Draht verformenden Zahnräder werden über eine Welle angetrieben. Eine Koppelung zwischen der Abrollbewegung der Andruckrolle und der Antriebswelle für die den Draht verformenden Zahnräder ist bei dieser bekannten Vorrichtung nicht vorgesehen. Infolgedessen ändert sich die Wellenform des Drahtes in Abhängigkeit von der Abrollgeschwindigkeit der Andruckrolle und von der Drehgeschwindigkeit der die Zahnräder antreibenden Welle.The prior art also includes one from the DE 24 05 033 A1 known device for storing a Heating wire in zigzag or meandering shape on one with a carrier film provided from an adhesive layer Insulating material between one on the support layer rolling pressure roller and a holder for the Wire supply spool one of two meshing and the wire between gripping gears Bending device is arranged. The ones that deform the wire Gears are driven by a shaft. A Coupling between the rolling movement of the pressure roller and the drive shaft for the gear wheels that deform the wire is not provided in this known device. As a result, the waveform of the wire changes to Dependence on the unwinding speed of the pressure roller and the speed of rotation of the gears driving shaft.

Ebenfalls zum Stand der Technik gehört ein aus der DE 23 29 030 A1 bekanntes Verfahren zum Herstellen von elektrisch beheizbaren Verbundglasscheiben, bei dem der Draht durch ein Zahnradpaar verformt, anschließend wieder gestreckt und in gestreckter Form auf einer Trägerfolie abgelegt wird, die als solche beim Erhitzen auf eine erhöhte Temperatur schrumpft. Bei dem Schrumpfvorgang der Trägerfolie entspannt sich der Widerstandsdraht und bildet ein regelloses Drahtmuster mit unregelmäßiger Kräuselung des Drahtes.One of the prior art is also one of the DE 23 29 030 A1 known method for producing electrically heated laminated glass panes, in which the Wire deformed by a pair of gears, then again stretched and in stretched form on a carrier film is placed, as such, when heated to a increased temperature shrinks. In the shrinking process of Carrier film relaxes the resistance wire and forms  a random wire pattern with irregular crimp of the wire.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der gattungsgemäßen Art zu schaffen, die eine hohe Ablegegeschwindigkeit des Widerstandsdrahtes in regelmäßiger Wellenform gestattet, wobei die Wellenform unabhängig von der Bewegungsgeschwindigkeit der Andruckrolle auf der Trägerfolie sein soll. Insbesondere soll die Vorrichtung die gleichmäßige wellenförmige Ablage extrem dünner Widerstandsdrähte mit hoher Betriebssicherheit ermöglichen.The invention has for its object a device of the generic type to create a high Deposit speed of the resistance wire in regular waveform allowed, the waveform regardless of the speed of movement of the Pinch roller should be on the carrier film. Especially the device is designed to evenly undulate the shelf extremely thin resistance wires with high Enable operational security.

Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß zwischen der Halterung für die Drahtvorratsspule und der beheizten Druckrolle ein Paar miteinander kämmender und den Draht zwischen sich greifender und verformender Zahnräder angeordnet ist, von denen wenigstens ein Zahnrad mit der Druckrolle in einem solchen Übersetzungsverhältnis zwangsgekoppelt ist, daß die Umfangsgeschwindigkeit der den Draht verformenden Zahnräder kleiner ist als die Umfangsgeschwindigkeit der Druckrolle.According to the invention, this object is achieved in that between the holder for the wire supply spool and the heated pressure roller a pair of intermeshing and the Wire between gripping and deforming gears is arranged, of which at least one gear with the Pressure roller in such a gear ratio is forcibly coupled that the peripheral speed of the Wire deforming gears is smaller than that Circumferential speed of the pressure roller.

Durch die Zwangskoppelung der den Draht verformenden Zahnräder mit der Druckrolle ist sichergestellt, daß der Draht völlig unabhängig von der Ablegegeschwindigkeit stets mit gleichbleibender Wellenform auf der Trägerfolie abgelegt wird. Andererseits wird durch das gleichbleibende Verhältnis der Umfangsgeschwindigkeiten des Zahnradpaars und der Druckrolle der wellenförmig vorgeformte Draht auf der Strecke zwischen dem verformenden Zahnradpaar und dem Ablegepunkt auf der Trägerfolie unterhalb der Druckrolle stets in demselben Ausmaß gezielt gestreckt und unter einer leichten Spannung gehalten, wodurch unkontrollierte Verschiebungen des Drahtes auf dieser Strecke vermieden werden. Das führt zu einer verbesserten Reproduzierbarkeit und Betriebssicherheit beim Ablegen des Widerstandsdrahtes. By forcing the wire that deforms it Gears with the pressure roller ensures that the Wire always completely independent of the deposit speed with constant waveform on the carrier film is filed. On the other hand, the constant Ratio of the peripheral speeds of the gear pair and the pressure roller on the undulated wire the distance between the deforming gear pair and the Deposit point on the carrier film below the pressure roller always stretched to the same extent and under one held slight tension, causing uncontrolled Movements of the wire avoided on this route become. This leads to improved reproducibility and operational safety when laying down the resistance wire.  

Durch Änderung des Übersetzungsverhältnisses zwischen der Druckrolle und den den Draht verformenden Zahnrädern, beispielsweise durch Auswechseln von Zahnrädern, kann auf einfache Weise die Amplitude des auf der Trägerfolie abgelegten Drahtes in weiten Grenzen geändert werden. Der vorgeformte Draht kann nämlich dadurch mehr oder weniger stark gestreckt werden, so daß die Amplitude des vorgeformten Drahtes umso kleiner wird, je kleiner die Umfangsgeschwindigkeit der verformenden Zahnräder im Vergleich zu der Umfangsgeschwindigkeit der Druckrolle wird.By changing the gear ratio between the Pressure roller and the gear wheels deforming the wire, for example, by changing gears simple way the amplitude of the on the carrier film stored wire can be changed within wide limits. Of the preformed wire can do more or less be greatly stretched so that the amplitude of the preformed wire, the smaller the smaller the Circumferential speed of the deforming gears in Comparison to the peripheral speed of the pressure roller becomes.

Ein bevorzugtes Ausführungsbeispiel einer erfindungsgemäßen Vorrich­ tung wird nachfolgend anhand der Zeichnungen näher beschrieben. Von den Zeichnungen zeigtA preferred embodiment of a device according to the invention device is described below with reference to the drawings. Of shows the drawings

Fig. 1 eine Drahtablegevorrichtung nach der Erfindung in einer Vorderansicht, und Fig. 1 shows a wire laying device according to the invention in a front view, and

Fig. 2 die Drahtablegevorrichtung in einer Seitenansicht. Fig. 2 shows the wire laying device in a side view.

Die thermoplastische Trägerfolie 1, auf welcher der Widerstandsdraht 2 in Wellenform abgelegt wird, besteht üblicherweise aus Polyvinylbuty­ ral. Zum Ablegen des Widerstandsdrahtes wird entweder die Ablegevor­ richtung unter leichtem Druck über die stationär auf einem Belegetisch angeordnete Trägerfolie 1 geführt, oder es wird die Trägerfolie 1 auf einer beweglichen Unterlage unter der ortsfest angeordneten Ablegevor­ richtung vorbeigeführt, wobei man selbstverständlich ebenfalls für einen entsprechenden Andruck der Ablegevorrichtung an die Folie sorgen muß. Diese Mittel für die Lagerung der Folie und der Ablegevorrichtung und für die Sicherstellung der erforderlichen Relativbewegung zwischen der Ablegevorrichtung und der Trägerfolie sind als solche bekannt, so daß sich die Beschreibung auf die Konstruktion der Ablegevorrichtung beschränken kann.The thermoplastic carrier film 1 , on which the resistance wire 2 is placed in wave form, usually consists of polyvinyl butal. For depositing the resistance wire is either the deflecting feed mechanism under a slight pressure above the stationarily arranged on an evidence table support sheet 1 made or it is the carrier film 1 on a movable base of the fixedly arranged deflecting feed mechanism past, wherein one course which is also for a respective contact pressure Deposit device must take care of the film. These means for the storage of the film and the depositing device and for ensuring the required relative movement between the depositing device and the carrier film are known as such, so that the description can be limited to the design of the depositing device.

An der Traverse 5, die oberhalb des Auflagetisches 4 für die Trägerfo­ lie 1 angeordnet ist, sind ein oder mehrere Drahtablegevorrichtungen angeordnet. Jede Drahtablegevorrichtung umfaßt einen an der Traverse 5 befestigten Haltearm 6, der an seinem unteren Ende ein Lagerstück 7 trägt, in dem die Welle 8 drehbar gelagert ist. Auf dieser Welle 8 ist auf der einen Seite des Lagerstücks 7 nach Zwischenschaltung eines Distanzstückes 9 die Druckrolle 10 fest angeordnet, während auf der anderen Seite des Lagerstücks 7 ebenfalls nach Zwischenschaltung eines Distanzstückes 9 ein Stirnrad 11 fest angeordnet ist, das sich infol­ gedessen mit der Druckrolle 10 gemeinsam dreht. Die Druckrolle 10 hat eine glatte zylindrische Oberfläche und eine Breite, die größer ist als die Amplitude des wellenförmigen Drahtes 2. In dem Lagerstück 7 ist ein elektrischer Heizwiderstand 14 angeordnet, wodurch die Druck­ rolle 10 so weit erhitzt wird, daß an der Kontaktstelle der Druckrolle 10 mit der Trägerfolie 1 das thermoplastische Material der Folie so weit erhitzt wird, daß der wellenförmig abgelegte Draht 2 mit der er­ weichten Folienoberfläche verklebt.On the traverse 5 , which is arranged above the support table 4 for the Trägerfo lie 1 , one or more wire depositing devices are arranged. Each wire laying device comprises a holding arm 6 fastened to the cross member 5 , which carries at its lower end a bearing piece 7 in which the shaft 8 is rotatably mounted. On this shaft 8 on one side of the bearing piece 7 after the interposition of a spacer 9, the pressure roller 10 is fixedly arranged, while on the other side of the bearing piece 7, also after the interposition of a spacer 9, a spur gear 11 is fixedly arranged, which is consequently engaged with Pressure roller 10 rotates together. The pressure roller 10 has a smooth cylindrical surface and a width that is greater than the amplitude of the wavy wire 2 . In the bearing piece 7, an electric heater 14 is arranged, whereby the pressure roller is heated as far as 10, that the thermoplastic material of the foil is heated as far at the contact point of the pressure roller 10 with the carrier film 1 that the wavy stored wire 2 with the he soft film surface glued.

Oberhalb der Druckrolle 10 und des Stirnrades 11 ist an dem Haltearm 6 das winkelförmige Lagerstück 16 angeordnet. Der vorstehende Schenkel 16a bildet das Drehlager für die parallel zu der Welle 8 angeordnete Welle 17, auf der oberhalb des Stirnrades 11 ein Stirnrad 18 befestigt ist, das mit dem Stirnrad 11 kämmt. Auf der anderen Seite des Schen­ kels 16a sitzt auf der Welle 17 ein Kegelrad 19. Dieses Kegelrad 19 steht im Eingriff mit einem Kegelrad 20, das mit einem Stirnrad 21 fest verbunden ist. Die Drehachse 24 für das Kegelrad 20 und das Stirnrad 21 ist senkrecht zur Drehachse 17 angeordnet und in dem La­ gerstück 16 drehbar gelagert. Das Stirnrad 21 kämmt mit einem neben diesem angeordneten Stirnrad 22 und bildet zusammen mit diesem das für die Verformung des Drahtes dienende Zahnradpaar. Die miteinander in Eingriff stehenden Segmente dieser beiden Zahnräder 21, 22 befinden sich im Bereich oberhalb der Druckrolle 10, so daß der wellenförmig geformte Draht 2 nach dem Austritt aus dem Eingriffsbereich der Zahn­ räder sich an die zylindrische Oberfläche der Druckrolle 10 anlegt. Above the pressure roller 10 and the spur gear 11 , the angular bearing piece 16 is arranged on the holding arm 6 . The above leg 16 a forms the pivot bearing for the shaft 17 arranged parallel to the shaft 8 , on which a spur gear 18 is attached above the spur gear 11 , which meshes with the spur gear 11 . On the other side of the angle 16 a sits a bevel gear 19 on the shaft 17 . This bevel gear 19 is in engagement with a bevel gear 20 which is fixedly connected to a spur gear 21 . The axis of rotation 24 for the bevel gear 20 and the spur gear 21 is arranged perpendicular to the axis of rotation 17 and rotatably mounted in the La gerstück 16 . The spur gear 21 meshes with a spur gear 22 arranged next to this and forms together with this the gear pair serving for the deformation of the wire. The mutually engaging segments of these two gears 21 , 22 are located in the area above the pressure roller 10 , so that the wave-shaped wire 2 after exiting from the engagement area of the toothed wheels rests on the cylindrical surface of the pressure roller 10 .

Die Stirnräder 11, 18 sind so dimensioniert, daß die Umfangsgeschwin­ digkeit der Zahnräder 21, 22 etwa 80% der Umfangsgeschwindigkeit der Druckrolle 10 beträgt. Durch Auswechseln der Zahnräder 11 und 18 gegen Zahnräder mit anderen Durchmessern kann das Übersetzungsverhältnis auf andere Werte umgestellt werden, wodurch sich z. B. die Amplitude des wellenförmig verlegten Drahtes 2 verändern läßt.The spur gears 11 , 18 are dimensioned such that the speed of the gear wheels 21 , 22 is approximately 80% of the peripheral speed of the pressure roller 10 . By changing the gears 11 and 18 for gears with different diameters, the gear ratio can be changed to other values. B. can change the amplitude of the wavy wire 2 .

Oberhalb des Lagerstücks 16 ist an dem Haltearm 6 eine Konsole 26 an­ geordnet, die einen Lagerdorn 27 für die Drahtvorratsspule 28 trägt. Die Konsole 26 trägt außerdem eine Führungsöse 30 für den von der Vor­ ratsspule ablaufenden Draht 2.Above the bearing piece 16 , a bracket 26 is arranged on the holding arm 6 , which carries a bearing mandrel 27 for the wire supply spool 28 . The console 26 also carries a guide eyelet 30 for the wire 2 running out of the pre-reel.

Der elektrische Heizwiderstand 14 wird über die innerhalb des Halte­ arms 6 verlaufenden Stromzuführungsleitungen 32, 33 mit Strom ver­ sorgt. Die Stromzuführungsleitungen 32, 33 münden in Anschlußklemmen 34, an welche die zur Stromversorgungseinrichtung führenden Kabel 35 angeschlossen sind.The electrical heating resistor 14 is provided with current ver via the arms 6 running power supply lines 32 , 33 . The power supply lines 32 , 33 open into terminals 34 to which the cables 35 leading to the power supply device are connected.

Claims (6)

1. Vorrichtung zum Ablegen und Fixieren eines Widerstandsdrahtes auf einer thermoplastischen Trägerfolie zur Herstellung einer elektrisch beheizbaren Verbundglasscheibe, mit einer den Widerstandsdraht in die Trägerfolie eindrückenden, auf der Trägerfolie abrollenden beheizten Druckrolle, einer Halterung für eine Drahtvorratsspule und einer Drahtführungseinrichtung, dadurch gekennzeichnet, daß zwischen der Halterung (26, 27) für die Drahtvorratsspule (28) und der beheizten Druckrolle (10) ein Paar miteinander kämmender und den Draht (2) zwischen sich greifender und verformender Zahnräder (21, 22) angeordnet ist, von denen wenigstens ein Zahnrad (21) mit der Druckrolle (10) in einem solchen Übersetzungsverhältnis zwangsgekoppelt ist, daß die Umfangsgeschwindigkeit der den Draht (2) Verformenden Zahnräder (21, 22) kleiner ist als die Umfangsgeschwindigkeit der Druckrolle (10).1. Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane, with a heated pressure roller pushing the resistance wire into the carrier film, rolling on the carrier film, a holder for a wire supply spool and a wire guide device, characterized in that between the holder ( 26 , 27 ) for the wire supply spool ( 28 ) and the heated pressure roller ( 10 ) are arranged with a pair of meshing gears ( 21 , 22 ) intermeshing and deforming the wire ( 2 ), of which at least one gear ( 21 ) is forcibly coupled to the pressure roller ( 10 ) in such a transmission ratio that the peripheral speed of the gear wheels ( 21 , 22 ) deforming the wire ( 2 ) is lower than the peripheral speed of the pressure roller ( 10 ). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Umfangsgeschwindigkeit der den Draht verformenden Zahnräder (21, 22) etwa 70 bis 90% der Umfangsgeschwindigkeit der Druckrolle (10) beträgt.2. Device according to claim 1, characterized in that the peripheral speed of the wire-deforming gears ( 21 , 22 ) is about 70 to 90% of the peripheral speed of the pressure roller ( 10 ). 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die den Draht verformenden Zahnräder (21, 22) miteinander kämmende Stirnräder sind, deren Rotationsebene senkrecht zur Rotationsebene der auf der Folie ablaufenden Druckrolle (10) verläuft.3. Apparatus according to claim 1 or 2, characterized in that the wire-deforming gears ( 21 , 22 ) are intermeshing spur gears, the plane of rotation of which is perpendicular to the plane of rotation of the pressure roller ( 10 ) running on the film. 4. Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß für die Zwangskoppelung zwischen den Zahnrädern (21, 22) und der Druckrolle (10) ein Zahnradgetriebe vorgesehen ist, das aus einem auf der Welle (8) der Druckrolle (10) angeordneten Stirnrad (11), einem mit dem Stirnrad (11) kämmenden Stirnrad (18), einem mit dem Stirnrad (18) verbundenen Kegelrad (19) und einem mit dem den Draht (2) verformenden Zahnrad (21) verbundenen Kegelrad (20) besteht.4. Apparatus according to claim 1 to 3, characterized in that a gear transmission is provided for the positive coupling between the gears ( 21 , 22 ) and the pressure roller ( 10 ), which is arranged on the shaft ( 8 ) of the pressure roller ( 10 ) Spur gear ( 11 ), a spur gear ( 18 ) meshing with the spur gear ( 11 ), a bevel gear ( 19 ) connected to the spur gear ( 18 ) and a bevel gear ( 20 ) connected to the gear ( 21 ) deforming the wire ( 2 ) . 5. Vorrichtung nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß zwischen dem Haltedorn (27) für die Drahtvorratsspule und dem Bereich, in dem die den Draht (2) verformenden Zahnräder (21, 22) miteinander kämmen, eine Drahtführungsöse (30) angeordnet ist.5. Apparatus according to claim 1 to 4, characterized in that between the holding mandrel ( 27 ) for the wire supply spool and the area in which the wire ( 2 ) deforming gears ( 21 , 22 ) mesh with one another, a wire guide eyelet ( 30 ) is arranged is. 6. Vorrichtung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß eine elektrische Heizvorrichtung (14) innerhalb des die Druckrolle (10) tragenden Lagerstückes (7) angeordnet ist.6. Apparatus according to claim 1 to 5, characterized in that an electric heating device ( 14 ) is arranged within the bearing piece ( 7 ) carrying the pressure roller ( 10 ).
DE4101984A 1991-01-24 1991-01-24 Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane Expired - Fee Related DE4101984C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE4101984A DE4101984C2 (en) 1991-01-24 1991-01-24 Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane
DE69204310T DE69204310T2 (en) 1991-01-24 1992-01-22 Device for attaching a resistance wire in a corrugated form to the thermoplastic intermediate layer of a laminated glass pane.
ES92400159T ES2078673T3 (en) 1991-01-24 1992-01-22 DEVICE FOR PLACING A STRING WIRE IN A WAVY SHAPE ON THE INTERMEDIATE THERMOPLASTIC FILM OF A LAMINATED GLASS.
AT92400159T ATE127310T1 (en) 1991-01-24 1992-01-22 DEVICE FOR ATTACHING A RESISTANCE WIRE IN A CURVED SHAPE TO THE THERMOPLASTIC INTERMEDIATE LAYER OF A COMPOSITE GLASS PANE.
EP92400159A EP0496669B1 (en) 1991-01-24 1992-01-22 Device for positioning a resistance wire in a corrugated shape on the intermediate thermoplastic layer of a laminated window
JP00991292A JP3300395B2 (en) 1991-01-24 1992-01-23 A device for attaching and fixing a resistance wire to a glass plate
US07/824,950 US5282301A (en) 1991-01-24 1992-01-24 Device for laying a resistance wire in an undulating shape on the interposed thermoplastic film of a laminated glazing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4101984A DE4101984C2 (en) 1991-01-24 1991-01-24 Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane

Publications (2)

Publication Number Publication Date
DE4101984A1 DE4101984A1 (en) 1992-08-06
DE4101984C2 true DE4101984C2 (en) 1995-02-09

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DE4101984A Expired - Fee Related DE4101984C2 (en) 1991-01-24 1991-01-24 Device for depositing and fixing a resistance wire on a thermoplastic carrier film for producing an electrically heatable laminated glass pane
DE69204310T Expired - Lifetime DE69204310T2 (en) 1991-01-24 1992-01-22 Device for attaching a resistance wire in a corrugated form to the thermoplastic intermediate layer of a laminated glass pane.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69204310T Expired - Lifetime DE69204310T2 (en) 1991-01-24 1992-01-22 Device for attaching a resistance wire in a corrugated form to the thermoplastic intermediate layer of a laminated glass pane.

Country Status (6)

Country Link
US (1) US5282301A (en)
EP (1) EP0496669B1 (en)
JP (1) JP3300395B2 (en)
AT (1) ATE127310T1 (en)
DE (2) DE4101984C2 (en)
ES (1) ES2078673T3 (en)

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Also Published As

Publication number Publication date
US5282301A (en) 1994-02-01
EP0496669A1 (en) 1992-07-29
ATE127310T1 (en) 1995-09-15
EP0496669B1 (en) 1995-08-30
DE4101984A1 (en) 1992-08-06
DE69204310T2 (en) 1996-04-04
ES2078673T3 (en) 1995-12-16
DE69204310D1 (en) 1995-10-05
JP3300395B2 (en) 2002-07-08
JPH04362042A (en) 1992-12-15

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